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php正则表达式印证中文

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Release： 2016-06-13 13:01:50
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php正则表达式验证中文
1./^[\x{4e00}-\x{9fa5}]+$/u
2./^[chr(0xa1)-chr(0xff)]+$/

Related labels：
chr 0xa1 0xff 9fa5 4e00
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